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DS Audio
Founded in Japan in 2013 DS Audio have introduced a radical new cartridge design which does away with magnets and coils! In contrast to moving-magnet (MM) and moving-coil (MC) cartridges, which work on the principle of electromagnetic induction, the DS-W1 uses an optical system to convert stylus/cantilever movements into audio signals. The advantage of this system is that it completely eliminates the electromagnetic frictional force that is a fact of life in all MM and MC designs. DS Audio a business group of the Digital Stream Corporation (DSC). DSC co-developed with Microsoft the optical mouse and for more than 25 years has created industrial laser optics for medical testing systems and for laser-based medical optical instrumentation.